baber/WOPTO huggingface dataset:
Patent KR-20020049259-A (KR)
Title: Apparatus and method for diagnosing operational state of exhaust gas recirculation system for a vehicle
Inventor: LEE SANG MIN
IPC: G01M15/00
Filed: 2000-12-19
Abstract: PURPOSE: An apparatus and method is provided to accurately judge the exhaust gas recirculation rate by measuring oxygen density in the surge tank. CONSTITUTION: An apparatus comprises a first oxygen density sensor(21A) for detecting oxygen density with respect to the air flow in the upper stream of a surge tank(22) of a motor vehicle; a second oxygen density sensor(22A) for detecting oxygen density in the surge tank; a lambda sensor(24) for detecting oxygen density with respect to the exhaust gas of an engine(23); an EGR valve(26) for opening/closing the path for recirculating part of the exhaust gas of the engine to the surge tank; and an electronic control unit(27) for receiving the signals output from the first and second oxygen density sensors and the lambda sensor, and controlling exhaust gas recirculation rate of the EGR valve in accordance with the difference of oxygen density at the detection position of each sensor.
Patent KR-20020051336-A (KR)
Title: Method of Zincating using Ultrasonic Agitation
Inventor: JIN JEONG GI
IPC: C25D5/20
Filed: 2000-12-22
Abstract: PURPOSE: A zincate treatment method using ultrasonic agitation is provided to simplify the process of treatment by reducing the number of treatment, to form a uniform and fine surface zinc layer, to reduce the inner residual stress of a produced plating layer, and to improve the adhesion force between a plated layer and a substrate. CONSTITUTION: The method for performing the zincate treatment of electroless plating on an aluminum pad comprises the steps of: washing it with an appropriate solution; starting zincate treatment by putting a zincate solution composed of zinc oxide, sodium hydroxide, Rochelle salt, and sodium citrate into an ultrasonic appliance; and agitating the zincate solution for a desired time by applying an ultrasonic waves in a frequency zone of 28 to 40kHz.
Patent KR-20020050920-A (KR)
Title: Apparatus and method for inspection of lead of semiconductor
Inventor: HWANG HYEON JU
IPC: G01R31/26
Filed: 2000-12-22
Abstract: PURPOSE: An apparatus for investigating a lead part defect of a semiconductor device and a method thereof are provided, which performs a rapid and accurate investigation with a simple circuit configuration. CONSTITUTION: A picker(21) transports a semiconductor device to be tested, and an eddy current sensor(22) detects an eddy current signal by generating an eddy current in the semiconductor device seized by the picker. An analog/digital converter circuit part(24) converts the detected eddy current signal into a digital signal by being connected to the eddy current sensor. A data processing part(24) is connected to the analog/digital converter circuit part and judges whether there is a lead part defect of the semiconductor device by receiving the investigation result converted into the digital signal. And a control part(25) transports the semiconductor device to a fixed position or visualizes it on a monitor with an image by controlling the picker according to the judgement of the data processing part.
Patent KR-20020052295-A (KR)
Title: A Roof Air-Bag Device for Vehicle
Inventor: LEE WON JONG
IPC: B60R21/13
Filed: 2000-12-26
Abstract: PURPOSE: A roof airbag apparatus for a vehicle is provided to minimize an impact applied to the vehicle and to alleviate the resulting deformation of the vehicle or impact on passengers by allowing the airbag to be inflated toward the sides and roof of the vehicle before overturn of the vehicle. CONSTITUTION: A roof airbag apparatus comprises a plurality of airbag modules(2), an infrared rays transmitting portion(4), an infrared rays receiving portion(5), and an inclination angle sensor(6). The airbag modules(2) are installed at predetermined intervals longitudinally of a roof rack(1). The infrared rays transmitting portion(4) and the infrared rays receiving portion(5) are installed on each upper and lower portion of a side surface of a vehicle body(3). The inclination angle sensor(6) is installed in a certain position of the central portion of the vehicle body(3). The airbag modules(2), infrared rays transmitting portion(4), infrared rays receiving portion(5), and inclination angle sensor(6) are electrically connected with each other, and configured such that when if the vehicle body is inclined, this inclination is sensed by the infrared rays transmitting portion(4) and infrared rays receiving portion(5) to unfold the air modules(2).
Patent KR-20020052528-A (KR)
Inventor: KIM JONG HEON
IPC: G06F9/00
Filed: 2000-12-26
Abstract: PURPOSE: A method for real-time processing of general purpose OS(operating system) is provided to decide a real time timing by using a hardware interrupt and to use the system resources on the conventional OS. CONSTITUTION: The method comprises the steps of configuring a scheduler by registering an interrupt service routine to an interrupt definition table if the hardware interrupt is occurred on the conventional OS assigning a process according to the hardware interrupt(ST21) and registering a process time of a task for performing a process requested by the interrupt and the statement of the task to the interrupt service routine(ST22), and storing the scheduler in a memory area(ST24) and adjusting the interrupt occurrence except for the hardware interrupt configuring the scheduler(ST26). The task to be processed is successively read out from the scheduler stored in the memory area and the corresponding task is carried out by setting the statement of a present task performed by a processor(ST28).
Patent KR-20020054486-A (KR)
Title: Cooling start improving method
Inventor: HAN YEONG SEOK
IPC: F02N19/00
Filed: 2000-12-28
Abstract: PURPOSE: A method for improving the cold start performance is provided to prevent the initial start delay and the bad start caused by the air fuel ratio. CONSTITUTION: A method for improving the cold start performance comprises the steps of: determining whether an engine control unit or battery is reset; determining whether the engine rpm after starting the vehicle satisfies the starting condition when the engine control unit or battery is reset; calculating the amount of the fuel with a fuel factor along with the temperature of the cold water, a fuel deceleration factor along with the engine rpm and temperature of the cold water, and a high temperature factor along with the intake temperature, when the engine rpm satisfies the starting condition; and releasing the start of the engine after increasing the engine rpm, when the number of the injections become increased.
Patent KR-20010032002-A (KR)
Title: 화소 패널을 채용한 소형 투사 렌즈 시스템용 광시계투사렌즈
IPC: G02B15/16
Filed: 1998-11-10
Abstract: 본 발명은 LCD 패널과 함께 사용하기 위한 투사렌즈에 관한 것이다. 상기 렌즈는 왜곡을 보정하는 비구면을 가진 강한 네거티브 렌즈 엘리먼트(E1)를 포함하는 제 1 렌즈 유닛(U1)과, 약한 제 2 렌즈 서브유닛(U2 S2 )으로부터 공기층으로 분리된 강한 포지티브 파워 제 1 렌즈 서브유닛(U2 S1 )을 포함하는 제 2 렌즈 유닛(U2)을 갖는다. 상기 제 2 렌즈 서브유닛은 순차적으로 네거티브 렌즈 엘리먼트, 포지티브 렌즈 엘리먼트, 비구면을 가진 플라스틱 렌즈 엘리먼트를 포함할 수 있다. 상기 투사렌즈는 적어도 35°의 시계를 갖기 때문에 전체 투사 렌즈 시스템은 소형화 될 수 있다.
Patent KR-20010041349-A (KR)
Title: 강환원된 산화촉매 및 액상 산화반응을 촉매하는 이의 용도
IPC: B01J21/18
Filed: 1999-02-17
Abstract: 본 발명은 표면에 귀금속을 갖는 탄소 지지체를 포함하는 향상된 촉매, 특히 산성 산화환경 및 귀금속을 가용화시킬 수 있는 용매, 반응물, 중간체 또는 제품의 존재하에서 액상 산화반응을 촉매시키는데 있어서의 이의 용도;  산성 산화환경 및 귀금속을 가용화시킬 수 있는 용매, 반응물, 중간체 또는 제품의 존재하에서 귀금속 침출에 대해 향상된 저항성을 보이는 촉매를 이용한 액상산화방법; 및 이러한 촉매를 이용하여 N-(포스포노메틸)이미노디아세트산 (즉, PMIDA) 또는 그의 염을  산화시켜 N-(포스포노메틸)글리신 또는 그의 염을 형성시키고, 여기에서  포름알데히드 및 포름산 부산물의 이산화탄소 및 물로의  산화가 증가되는 액상산화방법에 관한 것이다.
Patent KR-20010041358-A (KR)
Inventor: HASHIDA MITSURU
IPC: C08G69/10
Filed: 1999-02-25
Abstract: 본 발명은 하기 식(A)(d는 20 내지 500 ; R은 H, 알킬, 벤질 ; 단, 복수 존재하는 R은 동일해도 달라도 좋음)로 표시되는 폴리머의 구성 펩티드 결합의 일부 또는 전부를 (1)히드라지노-Glu(식 B), 당 결합 Glu(식 C)로 치환한 폴리머 및 (2) 히드라지노-Glu(식 B), 당 결합 Glu(식 C), 약물 결합 Glu(식 D)로 치환한 폴리머를 목적으로 하는 것이다. 
     
       
     
     본 발명의 폴리머는 표적 장기(세포) 이행성을 나타내는 담체 및 약물·담체 결합물이며 의약으로서 유용하다.
Patent KR-20010086253-A (KR)
Title: 최초 설치시 기계적 방해 변형을 측정하고 그 방해를기초로 하여 자동 교정하기 위한 인장시험 센서
IPC: G01L27/00
Filed: 1999-02-16
Abstract: 본 발명은 계측할 힘이 발생하는 기계부재에 장착된 인장시험 센서에 관한 것으로, 상기 센서는 가변성 금속 블레이드(1,22)를 포함하되, 상기 블레이드상에는 측정 게이지(2,23)가 삽입된다. 상기 블레이드(1,22)는 힘이 발생하는 상기 기계부재에 연결된 2개의 베어링부(4,5,20)를 통해 전달되어 유지되는 기계적 인장 및 압축 변형을 감지하게 된다. 상기 센서는 베어링부(4,5,20)와 센서 블레이드를 교정하는 과정중에 위치되는 기계식 잠금 플렌지(31)를 구비하게 된다.
Patent KR-20010041998-A (KR)
Title: 반도체 장치 제조방법
IPC: G01R31/26
Filed: 1999-03-18
Abstract: 반도체 장치 제조공정 중 한 공정에 해당하는 전기적 특성 시험공정에서, 다량으로 시험되는 대상인 전극 패드의 넓은 영역을 시험하기 위해, 전기적 특성 시험은 시험되는 물체의 시험되는 영역 상에 형성된 시험되는 전도체 부분의 숫자와 동일한 개수의 전기적으로 독립적인 둘출부가 제공된 시험기구를 시험 대상으로 가압함으로써 수행된다.
Patent KR-20010071179-A (KR)
Title: 탄소 발열체 및 그 제조방법
IPC: H05B3/14
Filed: 1999-04-27
Abstract: 본 발명은 내구성 및 내열 충격성이 우수하고, 강산화성 약품중 등의 특수 환경하에서도 사용가능하며, 더욱 적은 소비전력으로 충분한 발열 능력을 가지는 탄소 발열체를 제공하는 것을 목적으로 한다. 
     탄소섬유, 탄소섬유포 등의 탄소재료에 석영유리를 피복하고, 석영유리내를 진공 혹은 치환된 불활성 가스에 의해 0.2 기압 이하로 하고, 석영유리를 용융 밀봉하여 탄소발열체를 제조한다.
Patent KR-20010024983-A (KR)
IPC: C08G18/70
Filed: 1999-01-29
Abstract: A one-component dispersion comprising deactivated isocyanates which cross-links already at low temperatures (lower than 70° C.).
Patent KR-20010043739-A (KR)
Title: 도전성 포커스 와플
IPC: H01J31/12
Filed: 1999-05-14
Abstract: 전계 방출 표시장치는, 본 발명의 도전성 포커스 와플 구조를 형성하는, 기판(100), 절연층(102) 내부에 위치한 전계 방출기 구조(106), 게이트 전극층(104), 절연 재료층(110), 및 도전 재료층(116)을 포함한다.
Patent KR-20010052491-A (KR)
Title: 옥사디아졸린 유도체 및 살충제로서 이의 용도
IPC: A01N43/836
Filed: 1999-05-31
Abstract: 본 발명은 하기 화학식 I 로 표시되는 화합물 또는 이의 염에 관한 것이다: 
     [화학식 I] 
     
       
     
     [식중, R 1 은 C 1-6 알킬기 또는 C 1-6 할로알킬기이고; n 은 0, 1 또는 2 이며; X 는 (1) -NR 2 R 3 기 (식중, R 2 및 R 3 은 독립적으로 (i) 수소 원자 또는 (ii) 피리딜기로 임의로 치환될 수 있는 C 1-6 알킬기를 나타냄), (2) -N=CHOR 4 기 (식중, R 4 는 C 1-6 알킬기를 나타냄), (3) -N=CHNR 6 R 7 기 (식중, R 6 및 R 7 은 독립적으로 (i) 수소 원자 또는 (ii) C 1-6 알킬기를 나타냄), (4) -N=CHAr 기 (식중, Ar 은 히드록시 및 C 1-3 알콕시기로 구성되는 군에서 선택되는 치환기로 임의로 치환될 수 있는 페닐기를 나타냄), 또는 (5) 피롤릴기이고; R 5 는 임의 치환된 알킬기 또는 임의 치환된 아실기이며; R 8 은 (1) 할로겐 원자, (2) C 1-6 할로알킬기, (3) C 1-6 할로알콕시기 또는 (4) C 1-6 할로알킬기로 임의로 치환될 수 있는 페닐기이고; A 는 (1) 질소 원자 또는 (2) 기 (식중, R 9 는 염소 원자 또는 시아노임) 이며; B 는 질소 원자 또는 기이다].     화합물 (I) 또는 이의 염은 살충 활성이 우수하고 어류에 대한 독성이 적다.     그러므로, 화합물 (I) 또는 이의 염을 함유하는 농약용 조성물은 해충으로부터 생성물 등을 보호하여 농업 성공에 기여할 수 있다.
Patent KR-20010072611-A (KR)
Title: 용기 내 봉지
IPC: B65D77/24
Filed: 1999-06-08
Abstract: 본 발명은 음료 용기(60)의 밀봉 및 가압에 앞서 음료 용기(60) 내로 삽입하기 위한 봉지(30)에 관한 것이다. 봉지(30)는 가스는 투과되고 액체는 투과되지 않는 재료로 만들어진다. 물품(40)은 이 재료 안에 놓이고, 사실상 그 내부에 여분의 가스를 함유하지 않는 상태로 밀봉된다. 봉지(30)는 음료 용기(60) 내에 떨어뜨려질 때 음료 용기 내에 잠기게 되며, 용기(60)가 밀봉되고 가압된 후에 평형 상태에 이르게 될 때까지 용기(60)에서 나오는 가스가 봉지(30) 내로 침투하게 된다. 그런 다음, 용기(60)가 개봉되었을 때 봉지(30)는 음료 용기(60) 내에서 상승하게 된다.
Patent KR-20010071603-A (KR)
Title: 과체중 개의 체중 감소를 촉진시키는 방법과 제품
IPC: A23K1/00
Filed: 1999-06-22
Abstract: 본 발명은 과체중 개에게서 체중 감소를 촉진시키고/시키거나, 순수한 몸체 덩어리를 증가시키고/시키거나, 포만감을 강화시키기 위한 방법을 제공한다.  보충물 또는 규정식은 유효량의 L-카르니틴을 함유한다.
Patent KR-20010096559-A (KR)
Title: Method for providing quality evaluation information on internet shopping mall and computer readable medium stored thereon computer executable instruction for performing the same
Inventor: SHIN SEONG WOON
Filed: 2001-01-19
Abstract: PURPOSE: A method for providing information on estimating a quality of an internet shopping mall is provided to activate electronic commerce by giving the right to estimate a quality of a product only to a purchaser who purchases the product through a service provider's system, thereby increasing the credit ratio of products sold through the system. CONSTITUTION: A service provider provides interface for purchasing a product to a connector who connects to the service provider's system(S10). The service provider provides interface for estimating the quality of the product in the form of marks to a purchaser(S20). Marks for estimating the quality are added by products and divided by a whole number of purchasers. After that, an average mark is calculated and stored in a database(S30). The service provider processes information stored in the database and provides the information to a person who will purchase a product through the service provider's system.
Patent KR-20020062432-A (KR)
Inventor: KIM JONG CHEOL
IPC: G06K19/00
Filed: 2001-01-20
Abstract: PURPOSE: A smart card protection device is provided to protect a decryption of instruction cycles via a power pin by generating a wait signal with infrequent clock pulses and varying a CPU drive clock with a regular instruction cycle so that it can safely protect encryption data against access of unauthorized users. CONSTITUTION: The device comprises a memory(400), an IO register(100), a random wait signal generator(300), and a CPU(200). The memory(400) stores prescribed encryption data, i.e. a password. The IO register(100) receives an input password, and outputs a comparison result between the input password and the stored password. The random wait signal generator(300) outputs wait signals(nWAIT) for varying an instruction cycle of the CPU(200) according to a logic level of an input enable signal. The CPU(200) forms interface lines with the memory(400) and the random wait signal generator(300) via system buses, i.e. an address bus, a data bus and a control bus, compares the input password with the stored password, and outputs the password comparison result to the IO register(300) by being synchronized with the varied instruction cycle.
Patent KR-20010078205-A (KR)
Title: Calorie control apparatus with voice recognition
Inventor: INOUE KOKI
IPC: G01G19/414
Filed: 2001-01-31
Abstract: PURPOSE: To provide a calorie management device capable of simply inputting a taken food name without dirtying the device. CONSTITUTION: The calorie management device for calculating and managing a caloric intake by inputting a food name is provided with a microphone for inputting a voice, a storage means for storing calorie per unit weight of each food, a voice recognition means for identifying a food name on the basis of a voice signal inputted through the microphone, and a management means for calculating and managing a caloric intake on the basis of a caloric value per unit weight stored in the storage means correspondingly to the food name recognized by the voice recognition means.
Patent KR-20020065071-A (KR)
Title: Pulsator type washing machine using convection and radiation
Inventor: CHOI MU YONG
IPC: D06F18/00
Filed: 2001-02-05
Abstract: PURPOSE: A pulsator type drying and washing machine using convection and radiation is provided to dry clothing directly in an inner tub in a short time by using convection and radiation heat, thereby improving the drying efficiency. CONSTITUTION: A pulsator type drying and washing machine using convection and radiation includes a circulation duct(20) connected to a lower end of an outer tub(3) at an end and positioned in the proximity of an upper part of an inner tub(5) at the other end, a blowing fan(22) mounted at a predetermined position of the circulation duct for forcibly circulating air, a reflection plate(26) coupled with a front end of the circulation duct, and an auxiliary heater(15a) mounted on the reflection plate for heating air discharged from the circulation duct while generating radiation heat, wherein the circulation duct is mounted with a heater(15) and the inner tub is formed with a coated layer(5a) of radiation material on the inner wall surface for generating radiation heat.
Patent KR-20020067177-A (KR)
Title: Water supply system for refrigerator
Inventor: LEE WON BOK
IPC: F25D25/00
Filed: 2001-02-15
Abstract: PURPOSE: A system for supplying water of refrigerator is provided to prevent blocking of a water supply pipe in the refrigerator due to icing. CONSTITUTION: A system includes a water valve(23) supplied with water from a water source; an outside water supply pipe(30) connected with the water valve and installed on an outside of a refrigerator; an inside water supply pipe(40) connected with the outside water supply pipe, installed in the refrigerator and having a plurality of bent part(45) bent downward and comprising upper sloping pipes sloping downward, connecting pipes connected with the upper sloping pipes and having slope steeper than the upper sloping pipes and lower sloping pipes connected with the connecting pipes and having slope same with the upper sloping pipes; and an ice bin(50) having a space to store water supplied by the inside water supply pipe.
Patent KR-20020069675-A (KR)
Title: Junction method for a flexible printed circuit board
Inventor: YOON BYEONG JAE
IPC: H05K3/46
Filed: 2001-02-27
Abstract: PURPOSE: A method for joining flexible printed circuit boards is provided to form a stable printed circuit board by forming land opening portions on one side of a printed circuit board and joining the land opening portions by a soldering method or a wire bonding method. CONSTITUTION: An insulating layer(2) is formed on one or more printed circuit board. The insulating layer(2) is formed by a vertical layer having a predetermined width. The insulating layer(2) has a layer structure of different widths. A land opening portion(1) is formed by etching one side portion of the insulating layer(2). The land opening portions(1) are joined to each other by using a soldering method or a wire bonding method. A marking ink as an insulating material is used for preventing a shortcircuit phenomenon between circuits in the soldering process.
Patent KR-20020069962-A (KR)
Title: Method and apparatus for power saving in a mobile communication phone
Inventor: KIM GYEONG JUN
IPC: H04B1/40
Filed: 2001-02-28
Abstract: PURPOSE: A method and apparatus for saving a power in a mobile communication terminal is provided to considerably extend a time using a battery without recharge by intermittently operating a display unit in case that an operation mode of the display unit is set when the mobile communication terminal is not used. CONSTITUTION: If a mobile communication terminal is the standby state(301), a CPU checks whether a saving mode of a display mode is set(303). If the saving mode of a display mode is set, the CPU judges whether the first setting time elapses(304). If the first setting time does not elapse, the CPU controls a power unit and downs the power of a display unit(305). If the first setting time elapses, the CPU controls the power unit during the second setting time, turns on the power of the display unit, and downs the power of the display unit again(306). The CPU resets a timer(307).
Patent KR-20020070558-A (KR)
Title: Method for transferring incoming call in cdma wireless communication system
Inventor: KIM GYU UNG
IPC: H04B7/26
Filed: 2001-02-28
Abstract: PURPOSE: A method for transferring calls in a CDMA(Code Division Multiple Access) mobile communication system is provided to allow MSs(Mobile Stations) included in a same group in a same area to easily transfer calls with each other, so that receiving failure of calls is prevented. CONSTITUTION: If a paging request is received from a CN(Core Network) to an RNC(Radio Network Controller), the RNC decides a paging group and transmits a paging message by the paging group to a source MS(610,612,614). If the corresponding source MS performing paging is registered in a call transfer table, the call transfer table is updated, during the transmission of the paging message(616). If a response is not received from the corresponding source MS for a predetermined time(max_wait_time_cc), an attempt of connection to the source MS is released and calls are transferred to a target MS requesting call transfer with an uplink direct transfer message(618,620,622,624,626).
Patent KR-20020071330-A (KR)
Title: Non-contact type human iris recognition method by correction of rotated iris image
Inventor: CHO SEONG WON
IPC: G06T7/00
Filed: 2001-03-06
Abstract: PURPOSE: An iris recognition method is provided to obtain an eye image by using an acquisition equipment, and to preprocess the obtained eye image for extracting an iris area from the eye image by using a difference between a Canny edge detector and a pixel value of the obtained image. CONSTITUTION: The method comprises steps of obtaining an eye image of a person by using an infrared illumination and a visible ray interception filter while preventing a loss of iris data by positioning reflective rays on the pupil(110), detecting an inner boundary and an outer boundary of the iris for extracting an iris area from the eye image, and setting centers of the inner boundary and the outer boundary of the iris by using a difference between a Canny edge detector and a pixel value of the obtained image(120), detecting an iris pattern on a part between the inner boundary and the outer boundary of the iris(130), converting the detected iris pattern in a polar coordinate system(140), normalizing the iris pattern converted in the polar coordinate system to generate an image with a regular sized length and width(150) and moving a pixel in an arrangement of the iris image and comparing the moved pixel for compensating for a rotated iris image in a case that an iris image of the obtained eye image is rotated by a certain angle from a center line of the iris(160).
Patent KR-20020072022-A (KR)
Title: Pressure apparatus for joining process of LCD cell
Inventor: PARK SEONG GAP
IPC: G02F1/13
Filed: 2001-03-08
Abstract: PURPOSE: A pressing device for cell joining process of an LCD is provided to compensate the horizontality of an upper plate primarily by a ball joint and secondarily compensate the horizontality more precisely by a micro driving part. CONSTITUTION: A pressing device for cell joining process of an LCD includes a lower plate(200) fixed with lower cells at a surface, an upper plate(100) fixed with upper cells at a surface, ball joints(330) mounted to the other surface of the upper plate, and vertical movement elements(310) connected to the ball joint and applied with power from an external power source for moving the upper plate vertically, wherein micro driving part are further provided for the micro controlling of the vertical movement elements and the micro driving parts are piezo actuators(350).
Patent KR-20020072149-A (KR)
Title: Apparatus for ball-transportation
Inventor: JANG GU NAM
IPC: A63B69/36
Filed: 2001-03-09
Abstract: PURPOSE: An apparatus for conveying golf balls by lifting balls placed on the ground with a screw mounted at one side part of a housing and then conveying to a desired position using the potential energy of the ball is provided. Therefore, the apparatus automatically collects and smoothly conveys balls to a specified position even in a state that the housing is placed at an angle of 45 degree or more. CONSTITUTION: A screw(20) is positioned at one side part of the inside of a housing(10). A power source(30) for rotating the screw is connected to the screw. A ball inlet(12) and outlet(14) are formed respectively at the upper and lower part of another side part of the housing. A ball supply path(40) is connected to the ball inlet. The housing or ball supply path may be vibrated to remove clogging of balls.
Patent KR-20020072432-A (KR)
Inventor: NAM JUN
IPC: A45C3/00
Filed: 2001-03-10
Abstract: PURPOSE: A vinyl bag and a manufacturing method thereof are provided to simplify a manufacturing process of the vinyl bag while enhancing the quality of the bag and its productivity. CONSTITUTION: The vinyl bag(100) is manufactured by attaching a rounding vinyl sheet(110) and first and second side vinyl sheets(121,122) while maintaining a receiving space with a coupling member(130), which is composed of a generally closed loop shaped ring piece having a thickness enough to maintain the profile of the receiving space and an adhesive piece. Because the coupling member takes the closed loop shape, it is possible to eliminate the use of a typical separate connecting pin.